28831680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 224

約数和(自身を含む): 105338880

約数和(自身を除く): 76507200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 71, 72, 80, 90, 94, 96, 108, 120, 135, 141, 142, 144, 160, 180, 188, 192, 213, 216, 235, 240, 270, 282, 284, 288, 320, 355, 360, 376, 423, 426, 432, 470, 480, 540, 564, 568, 576, 639, 705, 710, 720, 752, 846, 852, 864, 940, 960, 1065, 1080, 1128, 1136, 1269, 1278, 1410, 1420, 1440, 1504, 1692, 1704, 1728, 1880, 1917, 2115, 2130, 2160, 2256, 2272, 2538, 2556, 2820, 2840, 2880, 3008, 3195, 3337, 3384, 3408, 3760, 3834, 4230, 4260, 4320, 4512, 4544, 5076, 5112, 5640, 5680, 6345, 6390, 6674, 6768, 6816, 7520, 7668, 8460, 8520, 8640, 9024, 9585, 10011, 10152, 10224, 11280, 11360, 12690, 12780, 13348, 13536, 13632, 15040, 15336, 16685, 16920, 17040, 19170, 20022, 20304, 20448, 22560, 22720, 25380, 25560, 26696, 27072, 30033, 30672, 33370, 33840, 34080, 38340, 40044, 40608, 40896, 45120, 50055, 50760, 51120, 53392, 60066, 61344, 66740, 67680, 68160, 76680, 80088, 81216, 90099, 100110, 101520, 102240, 106784, 120132, 122688, 133480, 135360, 150165, 153360, 160176, 180198, 200220, 203040, 204480, 213568, 240264, 266960, 300330, 306720, 320352, 360396, 400440, 406080, 450495, 480528, 533920, 600660, 613440, 640704, 720792, 800880, 900990, 961056, 1067840, 1201320, 1441584, 1601760, 1801980, 1922112, 2402640, 2883168, 3203520, 3603960, 4805280, 5766336, 7207920, 9610560, 14415840, 28831680]

約数ペア:

[(1, 28831680), (2, 14415840), (3, 9610560), (4, 7207920), (5, 5766336), (6, 4805280), (8, 3603960), (9, 3203520), (10, 2883168), (12, 2402640), (15, 1922112), (16, 1801980), (18, 1601760), (20, 1441584), (24, 1201320), (27, 1067840), (30, 961056), (32, 900990), (36, 800880), (40, 720792), (45, 640704), (47, 613440), (48, 600660), (54, 533920), (60, 480528), (64, 450495), (71, 406080), (72, 400440), (80, 360396), (90, 320352), (94, 306720), (96, 300330), (108, 266960), (120, 240264), (135, 213568), (141, 204480), (142, 203040), (144, 200220), (160, 180198), (180, 160176), (188, 153360), (192, 150165), (213, 135360), (216, 133480), (235, 122688), (240, 120132), (270, 106784), (282, 102240), (284, 101520), (288, 100110), (320, 90099), (355, 81216), (360, 80088), (376, 76680), (423, 68160), (426, 67680), (432, 66740), (470, 61344), (480, 60066), (540, 53392), (564, 51120), (568, 50760), (576, 50055), (639, 45120), (705, 40896), (710, 40608), (720, 40044), (752, 38340), (846, 34080), (852, 33840), (864, 33370), (940, 30672), (960, 30033), (1065, 27072), (1080, 26696), (1128, 25560), (1136, 25380), (1269, 22720), (1278, 22560), (1410, 20448), (1420, 20304), (1440, 20022), (1504, 19170), (1692, 17040), (1704, 16920), (1728, 16685), (1880, 15336), (1917, 15040), (2115, 13632), (2130, 13536), (2160, 13348), (2256, 12780), (2272, 12690), (2538, 11360), (2556, 11280), (2820, 10224), (2840, 10152), (2880, 10011), (3008, 9585), (3195, 9024), (3337, 8640), (3384, 8520), (3408, 8460), (3760, 7668), (3834, 7520), (4230, 6816), (4260, 6768), (4320, 6674), (4512, 6390), (4544, 6345), (5076, 5680), (5112, 5640)]